<template>
<div class="icons">
    <swiper :options="swiperOption">
        <swiper-slide v-for="(page, index) of pages" :key="index">
            <div class="icon" v-for="item of page" :key="item.id">
                <div class="icon-img">
                    <img class="icon-img-content" :src="item.imgUrl" />
                </div>
                <p class="icon-desc">{{item.desc}}</p>
            </div>
        </swiper-slide>
    </swiper>
</div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
      return {
          swiperOption: {
              autoplay: false
          }
      }
  },
    computed: {
        pages () {
            const pages = []
            this.list.forEach((item, index) => {
                const page = Math.floor(index / 8)
                if (!pages[page]) {
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>

<style lang="stylus" scoped>
    @import '~styles/varibles.styl'; 
    .icons >>> .swiper-container{
        height: 0;
        padding-bottom: 50%;
    }
    .icons{
        margin-top: .1rem
    }
    .icon{
        position: relative;
        overflow: hidden;
        float: left;
        width: 25%;
        height: 0;
        padding-bottom: 25%;
    }
    .icon-img{
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: .44rem;
        box-sizing: border-box;
        padding: .1rem;
    }
    .icon-img-content{
        height: 100%;
        margin: 0 auto;
        display: block;
    }
    .icon-desc{
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: .44rem;
        line-height: .44rem;
        text-align: center;
        color:$darkTextColor;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }
</style>